<template>
<div class="content-box" >
  <div class="container">
    <p>主体页面 3 - 1 </p>
    <div class="test-div">
      <el-tree
        :data="data"
        show-checkbox
        node-key="id"
        :props="defaultProps">
      </el-tree>
    </div>
  </div>
</div>
</template>

<script>
export default {
  data(){
    return{
      data: [{
          id: 1,
          label: '一级 1',
          children: [{
            id: 4,
            label: '二级 1-1',
            children: [{
              id: 9,
              label: '三级 1-1-1'
            }, {
              id: 10,
              label: '三级 1-1-2'
            }]
          }]
        }, {
          id: 2,
          label: '一级 2',
          children: [{
            id: 5,
            label: '二级 2-1'
          }, {
            id: 6,
            label: '二级 2-2'
          }]
        }, {
          id: 3,
          label: '一级 3',
          children: [{
            id: 7,
            label: '二级 3-1'
          }, {
            id: 8,
            label: '二级 3-2'
          }]
        }],
        defaultProps: {
          children: 'children',
          label: 'label'
        }
    }
  }
}
</script>

<style>
</style>